Home / 201,984,006.40-302,976,009.60-115,987,667.20

Finding the Fourth Proportional to 201,984,006.40, 302,976,009.60 and 115,987,667.20

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Solution

The fourth proportional to 201,984,006.40, 302,976,009.60 and 115,987,667.20 is: 173,981,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,984,006.40 : 302,976,009.60 = 115,987,667.20 : x
  2. Step 2: Convert to fraction form
    201,984,006.40/302,976,009.60 = 115,987,667.20/x
  3. Step 3: Cross multiply
    201,984,006.40x = 302,976,009.60 × 115,987,667.20
  4. Step 4: Simplify right side
    201,984,006.40x = 35,141,480,571,068,808
  5. Step 5: Solve for x
    x = 35,141,480,571,068,808/201,984,006.40
  6. Step 6: Final answer
    x = 173,981,500.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.